mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-09-20 07:08:59 +00:00
492 lines
20 KiB
C++
492 lines
20 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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#include "pgl_srv_shell.hpp"
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#include "pgl_srv_shell_event_observer.hpp"
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namespace ams::pgl::srv {
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namespace {
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constexpr inline size_t ProcessDataCount = 0x20;
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struct ProcessData {
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os::ProcessId process_id;
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u32 flags;
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};
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static_assert(util::is_pod<ProcessData>::value);
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enum ProcessDataFlag : u32 {
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ProcessDataFlag_None = 0,
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ProcessDataFlag_DetailedCrashReportAllowed = (1 << 0),
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ProcessDataFlag_DetailedCrashReportEnabled = (1 << 1),
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ProcessDataFlag_HasLogOption = (1 << 2),
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ProcessDataFlag_OutputAllLog = (1 << 3),
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ProcessDataFlag_EnableCrashReportScreenShot = (1 << 4),
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};
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constinit bool g_is_production = true;
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constinit bool g_enable_crash_report_screenshot = true;
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constinit bool g_enable_jit_debug = false;
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constexpr inline size_t ProcessControlTaskStackSize = 8_KB;
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constinit os::ThreadType g_process_control_task_thread;
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alignas(os::ThreadStackAlignment) constinit u8 g_process_control_task_stack[ProcessControlTaskStackSize];
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constinit os::SdkMutex g_observer_list_mutex;
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constinit util::IntrusiveListBaseTraits<ShellEventObserverHolder>::ListType g_observer_list;
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constinit os::SdkMutex g_process_data_mutex;
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constinit ProcessData g_process_data[ProcessDataCount];
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constinit os::ProcessId g_crashed_process_id = os::InvalidProcessId;
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constinit os::ProcessId g_creport_process_id = os::InvalidProcessId;
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constinit os::ProcessId g_ssd_process_id = os::InvalidProcessId;
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ProcessData *FindProcessData(os::ProcessId process_id) {
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for (auto &data : g_process_data) {
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if (data.process_id == process_id) {
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return std::addressof(data);
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}
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}
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return nullptr;
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}
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u32 ConvertToProcessDataFlags(u8 pgl_flags) {
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if ((pgl_flags & pgl::LaunchFlags_EnableDetailedCrashReport) == 0) {
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/* If we shouldn't generate detailed crash reports, set no flags. */
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return ProcessDataFlag_None;
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} else {
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/* We can and should generate detailed crash reports. */
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u32 data_flags = ProcessDataFlag_DetailedCrashReportAllowed | ProcessDataFlag_DetailedCrashReportEnabled;
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/* If we should enable crash report screenshots, check the correct flag. */
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if (g_enable_crash_report_screenshot) {
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const u32 test_flag = g_is_production ? pgl::LaunchFlags_EnableCrashReportScreenShotForProduction : pgl::LaunchFlags_EnableCrashReportScreenShotForDevelop;
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if ((pgl_flags & test_flag) != 0) {
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data_flags |= ProcessDataFlag_EnableCrashReportScreenShot;
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}
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}
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return data_flags;
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}
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}
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std::optional<os::ProcessId> GetRunningApplicationProcessId() {
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os::ProcessId process_id;
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if (R_SUCCEEDED(pm::shell::GetApplicationProcessIdForShell(std::addressof(process_id)))) {
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return process_id;
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} else {
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return std::nullopt;
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}
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}
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s32 ConvertDumpTypeToArgument(SnapShotDumpType dump_type) {
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switch (dump_type) {
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case SnapShotDumpType::None: return -1;
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case SnapShotDumpType::Auto: return 0;
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case SnapShotDumpType::Full: return 1;
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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}
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bool GetSnapShotDumpOutputAllLog(os::ProcessId process_id) {
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/* Check if we have an option set for the process. */
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{
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std::scoped_lock lk(g_process_data_mutex);
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if (ProcessData *data = FindProcessData(process_id); data != nullptr) {
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if ((data->flags & ProcessDataFlag_HasLogOption) != 0) {
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return ((data->flags & ProcessDataFlag_OutputAllLog) != 0);
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}
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}
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}
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/* If we don't have an option for the process, fall back to settings. */
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u8 log_option;
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const size_t option_size = settings::fwdbg::GetSettingsItemValue(std::addressof(log_option), sizeof(log_option), "snap_shot_dump", "output_all_log");
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return (option_size == sizeof(log_option) && log_option != 0);
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}
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size_t CreateSnapShotDumpArguments(char *dst, size_t dst_size, os::ProcessId process_id, SnapShotDumpType dump_type, const char *str_arg) {
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const s32 dump_arg = ConvertDumpTypeToArgument(dump_type);
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const s32 log_arg = GetSnapShotDumpOutputAllLog(process_id) ? 1 : 0;
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if (str_arg != nullptr) {
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return std::snprintf(dst, dst_size, "D %010llu \"%s\" -log %d -dump %d", static_cast<unsigned long long>(static_cast<u64>(process_id)), str_arg, log_arg, dump_arg);
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} else {
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return std::snprintf(dst, dst_size, "D %010llu -log %d -dump %d", static_cast<unsigned long long>(static_cast<u64>(process_id)), log_arg, dump_arg);
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}
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}
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Result TriggerSnapShotDumper(os::ProcessId process_id, SnapShotDumpType dump_type, const char *arg) {
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/* Create the arguments. */
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char process_arguments[800];
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const size_t arg_len = CreateSnapShotDumpArguments(process_arguments, sizeof(process_arguments), process_id, dump_type, arg);
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/* Set the arguments. */
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R_TRY(ldr::SetProgramArgument(ncm::SystemDebugAppletId::SnapShotDumper, process_arguments, arg_len + 1));
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/* Launch the process. */
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os::ProcessId ssd_process_id = os::InvalidProcessId;
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R_TRY(pm::shell::LaunchProgram(std::addressof(ssd_process_id), ncm::ProgramLocation::Make(ncm::SystemDebugAppletId::SnapShotDumper, ncm::StorageId::BuiltInSystem), pm::LaunchFlags_None));
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/* Set the globals. */
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g_crashed_process_id = process_id;
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g_ssd_process_id = ssd_process_id;
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return ResultSuccess();
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}
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bool ShouldSnapShotAutoDump() {
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bool dump;
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const size_t sz = settings::fwdbg::GetSettingsItemValue(std::addressof(dump), sizeof(dump), "snap_shot_dump", "auto_dump");
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return sz == sizeof(dump) && dump;
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}
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bool ShouldSnapShotFullDump() {
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bool dump;
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const size_t sz = settings::fwdbg::GetSettingsItemValue(std::addressof(dump), sizeof(dump), "snap_shot_dump", "full_dump");
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return sz == sizeof(dump) && dump;
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}
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SnapShotDumpType GetSnapShotDumpType() {
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if (ShouldSnapShotAutoDump()) {
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if (ShouldSnapShotFullDump()) {
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return SnapShotDumpType::Full;
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} else {
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return SnapShotDumpType::Auto;
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}
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} else {
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return SnapShotDumpType::None;
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}
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}
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void TriggerSnapShotDumper(os::ProcessId process_id) {
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TriggerSnapShotDumper(process_id, GetSnapShotDumpType(), nullptr);
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}
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s32 GetCrashReportDetailedArgument(u32 data_flags) {
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if (((data_flags & ProcessDataFlag_DetailedCrashReportAllowed) != 0) && ((data_flags & ProcessDataFlag_DetailedCrashReportEnabled) != 0)) {
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return 1;
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} else {
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return 0;
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}
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}
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s32 GetCrashReportScreenShotArgument(u32 data_flags) {
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if (settings::system::GetErrorReportSharePermission() == settings::system::ErrorReportSharePermission_Granted) {
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return ((data_flags & ProcessDataFlag_EnableCrashReportScreenShot) != 0) ? 1 : 0;
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} else {
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return 0;
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}
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}
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void TriggerCrashReport(os::ProcessId process_id) {
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/* If the program that crashed is creport, we should just terminate both processes and return. */
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if (process_id == g_creport_process_id) {
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TerminateProcess(g_crashed_process_id);
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TerminateProcess(g_creport_process_id);
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g_crashed_process_id = os::InvalidProcessId;
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g_creport_process_id = os::InvalidProcessId;
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return;
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}
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/* Get the data flags for the process. */
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u32 data_flags;
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{
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std::scoped_lock lk(g_process_data_mutex);
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if (auto *data = FindProcessData(process_id); data != nullptr) {
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data_flags = data->flags;
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} else {
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data_flags = ProcessDataFlag_None;
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}
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}
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/* Generate arguments. */
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char arguments[0x40];
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const size_t len = std::snprintf(arguments, sizeof(arguments), "%ld %d %d %d", static_cast<s64>(static_cast<u64>(process_id)), GetCrashReportDetailedArgument(data_flags), GetCrashReportScreenShotArgument(data_flags), g_enable_jit_debug);
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if (R_FAILED(ldr::SetProgramArgument(ncm::SystemProgramId::Creport, arguments, len + 1))) {
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return;
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}
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/* Launch creport. */
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os::ProcessId creport_process_id;
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if (R_FAILED(pm::shell::LaunchProgram(std::addressof(creport_process_id), ncm::ProgramLocation::Make(ncm::SystemProgramId::Creport, ncm::StorageId::BuiltInSystem), pm::LaunchFlags_None))) {
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return;
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}
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/* Set the globals. */
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g_crashed_process_id = process_id;
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g_creport_process_id = creport_process_id;
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}
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void HandleException(os::ProcessId process_id) {
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if (g_enable_jit_debug) {
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/* If jit debug is enabled, we want to try to launch snap shot dumper. */
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ProcessData *data = nullptr;
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{
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std::scoped_lock lk(g_process_data_mutex);
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data = FindProcessData(process_id);
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}
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/* If we're tracking the process, we can launch dumper. Otherwise we should just terminate. */
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if (data != nullptr) {
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TriggerSnapShotDumper(process_id);
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} else {
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TerminateProcess(process_id);
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}
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} else {
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/* Otherwise, we want to launch creport. */
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TriggerCrashReport(process_id);
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}
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}
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void HandleExit(os::ProcessId process_id) {
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std::scoped_lock lk(g_process_data_mutex);
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if (auto *data = FindProcessData(process_id); data != nullptr) {
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data->process_id = os::InvalidProcessId;
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}
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}
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void OnProcessEvent(const pm::ProcessEventInfo &event_info) {
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/* Determine if we're tracking the process. */
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ProcessData *data = nullptr;
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{
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std::scoped_lock lk(g_process_data_mutex);
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data = FindProcessData(event_info.process_id);
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}
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/* If we are, we're going to want to notify our listeners. */
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if (data != nullptr) {
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/* If we closed the process, note that. */
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if (static_cast<pm::ProcessEvent>(event_info.event) == pm::ProcessEvent::Exited) {
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HandleExit(event_info.process_id);
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}
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/* Notify all observers. */
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std::scoped_lock lk(g_observer_list_mutex);
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for (auto &observer : g_observer_list) {
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observer.Notify(event_info);
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}
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}
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/* If the process crashed, handle that. */
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if (static_cast<pm::ProcessEvent>(event_info.event) == pm::ProcessEvent::Exception) {
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HandleException(event_info.process_id);
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}
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}
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void ProcessControlTask(void *) {
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/* Get the process event event from pm. */
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os::SystemEvent process_event;
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R_ABORT_UNLESS(pm::shell::GetProcessEventEvent(std::addressof(process_event)));
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while (true) {
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/* Wait for an event to come in, and clear our signal. */
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process_event.Wait();
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process_event.Clear();
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bool continue_getting_event = true;
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while (continue_getting_event) {
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/* Try to get an event info. */
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pm::ProcessEventInfo event_info;
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if (R_FAILED(pm::shell::GetProcessEventInfo(std::addressof(event_info)))) {
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break;
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}
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/* Process the event. */
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switch (static_cast<pm::ProcessEvent>(event_info.event)) {
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case pm::ProcessEvent::None:
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continue_getting_event = false;
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break;
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case pm::ProcessEvent::Exited:
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case pm::ProcessEvent::Started:
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case pm::ProcessEvent::Exception:
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case pm::ProcessEvent::DebugRunning:
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case pm::ProcessEvent::DebugBreak:
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OnProcessEvent(event_info);
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break;
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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}
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}
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}
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}
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void InitializeProcessControlTask() {
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/* Create the task thread. */
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R_ABORT_UNLESS(os::CreateThread(std::addressof(g_process_control_task_thread), ProcessControlTask, nullptr, g_process_control_task_stack, sizeof(g_process_control_task_stack), AMS_GET_SYSTEM_THREAD_PRIORITY(pgl, ProcessControlTask)));
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os::SetThreadNamePointer(std::addressof(g_process_control_task_thread), AMS_GET_SYSTEM_THREAD_NAME(pgl, ProcessControlTask));
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/* Retrieve settings. */
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settings::fwdbg::GetSettingsItemValue(std::addressof(g_enable_jit_debug), sizeof(g_enable_jit_debug), "jit_debug", "enable_jit_debug");
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settings::fwdbg::GetSettingsItemValue(std::addressof(g_enable_crash_report_screenshot), sizeof(g_enable_crash_report_screenshot), "creport", "crash_screen_shot");
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g_is_production = !settings::fwdbg::IsDebugModeEnabled();
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/* Clear all process data. */
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{
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for (size_t i = 0; i < util::size(g_process_data); i++) {
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g_process_data[i].process_id = os::InvalidProcessId;
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}
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}
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/* Start the thread. */
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os::StartThread(std::addressof(g_process_control_task_thread));
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}
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void RegisterShellEventObserver(ShellEventObserverHolder *holder) {
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std::scoped_lock lk(g_observer_list_mutex);
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g_observer_list.push_back(*holder);
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}
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void UnregisterShellEventObserver(ShellEventObserverHolder *holder) {
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std::scoped_lock lk(g_observer_list_mutex);
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for (auto &observer : g_observer_list) {
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if (std::addressof(observer) == holder) {
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g_observer_list.erase(g_observer_list.iterator_to(observer));
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break;
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}
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}
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}
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Result LaunchProgram(os::ProcessId *out, const ncm::ProgramLocation &loc, u32 pm_flags, u8 pgl_flags) {
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/* Convert the input flags to the internal format. */
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const u32 data_flags = ConvertToProcessDataFlags(pgl_flags);
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/* If jit debug is enabled, we want to be signaled on crash. */
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if (g_enable_jit_debug) {
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pm_flags |= pm::LaunchFlags_SignalOnException;
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}
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/* Launch the process. */
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os::ProcessId process_id;
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R_TRY(pm::shell::LaunchProgram(std::addressof(process_id), loc, pm_flags & pm::LaunchFlagsMask));
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/* Create a ProcessData for the process. */
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{
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std::scoped_lock lk(g_process_data_mutex);
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ProcessData *new_data = FindProcessData(os::InvalidProcessId);
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AMS_ABORT_UNLESS(new_data != nullptr);
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new_data->process_id = process_id;
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new_data->flags = data_flags;
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}
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/* We succeeded. */
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*out = process_id;
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return ResultSuccess();
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}
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Result TerminateProcess(os::ProcessId process_id) {
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/* Ask PM to terminate the process. */
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return pm::shell::TerminateProcess(process_id);
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}
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Result GetApplicationProcessId(os::ProcessId *out) {
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/* Get the application process id. */
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auto application_process_id = GetRunningApplicationProcessId();
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R_UNLESS(application_process_id, pgl::ResultApplicationNotRunning());
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/* Return the id. */
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*out = *application_process_id;
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return ResultSuccess();
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}
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Result BoostSystemMemoryResourceLimit(u64 size) {
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/* Ask PM to boost the limit. */
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return pm::shell::BoostSystemMemoryResourceLimit(size);
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}
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bool IsProcessTracked(os::ProcessId process_id) {
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/* Check whether a ProcessData exists for the process. */
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std::scoped_lock lk(g_process_data_mutex);
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return FindProcessData(process_id) != nullptr;
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}
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void EnableApplicationCrashReport(bool enabled) {
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/* Get the application process id. */
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auto application_process_id = GetRunningApplicationProcessId();
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if (application_process_id) {
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/* Find the data for the application process. */
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std::scoped_lock lk(g_process_data_mutex);
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ProcessData *data = FindProcessData(*application_process_id);
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/* It's okay if we aren't tracking the process. */
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if (data != nullptr) {
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/* Set or clear the flag. */
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if (enabled) {
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data->flags |= ProcessDataFlag_DetailedCrashReportEnabled;
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} else {
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data->flags &= ~ProcessDataFlag_DetailedCrashReportEnabled;
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}
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}
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}
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}
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bool IsApplicationCrashReportEnabled() {
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/* Get the application process id. */
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auto application_process_id = GetRunningApplicationProcessId();
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if (!application_process_id) {
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return false;
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}
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/* Find the data for the process. */
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std::scoped_lock lk(g_process_data_mutex);
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if (ProcessData *data = FindProcessData(*application_process_id); data != nullptr) {
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return (data->flags & ProcessDataFlag_DetailedCrashReportEnabled) != 0;
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} else {
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return false;
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}
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}
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void EnableApplicationAllThreadDumpOnCrash(bool enabled) {
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/* Get the application process id. */
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auto application_process_id = GetRunningApplicationProcessId();
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if (application_process_id) {
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/* Find the data for the application process. */
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std::scoped_lock lk(g_process_data_mutex);
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ProcessData *data = FindProcessData(*application_process_id);
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/* It's okay if we aren't tracking the process. */
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if (data != nullptr) {
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/* Set or clear the flag. */
|
|
if (enabled) {
|
|
data->flags |= ProcessDataFlag_OutputAllLog;
|
|
} else {
|
|
data->flags &= ~ProcessDataFlag_OutputAllLog;
|
|
}
|
|
|
|
/* NOTE: Here Nintendo releases the lock, re-takes the lock, and re-finds the process data. */
|
|
/* This is unnecessary and less efficient, so we will not bother. */
|
|
|
|
/* Note that the flag bit has a meaningful value. */
|
|
data->flags |= ProcessDataFlag_HasLogOption;
|
|
}
|
|
}
|
|
}
|
|
|
|
Result TriggerApplicationSnapShotDumper(SnapShotDumpType dump_type, const char *arg) {
|
|
/* Try to get the application process id. */
|
|
os::ProcessId process_id;
|
|
R_TRY(pm::shell::GetApplicationProcessIdForShell(std::addressof(process_id)));
|
|
|
|
/* Launch the snapshot dumper. */
|
|
return TriggerSnapShotDumper(process_id, dump_type, arg);
|
|
}
|
|
|
|
}
|